The battle lasts two weeks, just so folks actually have a bit of time to get out and try a few burger varieties. I doubt that anyone other than the most enthusiastic beef eaters will try all seven, but one suspects that neighbourhood folks already have their favourites. If this all sounds a bit gimmicky, lighten up -- the competition is held for charity, and a buck a burger will go to the SickKids Foundation in memory of Georgia Grace Walsh. Now you don't need to feel guilty about indulging on a a juicy burger, if ever you did.